Polymarket Market

{
  "daysToResolution": 12,
  "impliedProbability": 0.42,
  "liquidity": 240000,
  "liquidityRating": "deep",
  "outcomes": [
    "Yes",
    "No"
  ],
  "priceChange24h": 0.05,
  "prices": {
    "bestAsk": 0.43,
    "bestBid": 0.41,
    "lastTrade": 0.42,
    "spread": 0.02
  },
  "question": "Will the Fed cut rates in March?",
  "signals": {
    "bookDepthUsd": {
      "asks": 135000,
      "bids": 120000
    },
    "slippage": [
      {
        "avgPrice": 0.4305,
        "filled": true,
        "orderUsd": 100,
        "sharesFilled": 232.3,
        "slippagePctVsBest": 0.12
      },
      {
        "avgPrice": 0.4342,
        "filled": true,
        "orderUsd": 1000,
        "sharesFilled": 2303.1,
        "slippagePctVsBest": 0.98
      }
    ]
  },
  "slug": "will-the-fed-cut-rates-in-march",
  "url": "https://polymarket.com/market/will-the-fed-cut-rates-in-march",
  "volume24hr": 1830000
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402.botsmith.dev/polymarket/market'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://x402.botsmith.dev/polymarket/market' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.botsmith.dev%2Fpolymarket%2Fmarket
const res = await pay("https://x402.botsmith.dev/polymarket/market");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402.botsmith.dev/polymarket/market")
    print(res.status_code, res.text)